‚ÄúFrom executive producer James Cameroon comes this 3-D survival movie about a group of underwater cave divers who should have thunk before they spelunked in the depths below Papua New Guinea during a tropical storm. If you're claustrophobic or prone to motion sickness, swim past this R-rated thrill ride. Featuring Richard Roxburgh, Rhys Wakefield, Ioan Gruffudd, and Alice Parkinson.‚Äù